Requires RISC OS 3.5 or above. A full screen plug-in derived from my old !Noises demo, itself derived from the unix version of Cthugha. Download the latest version.  Some screenshots.

Version 1.11, 21 November 2009

• Extended setup with 'Texts' section to show clock, title, effects on startup.
• DigitalCD_Misc messages type 5 and 6 to display temporary messages and rotate titles messages.

Version 1.08, 22 January 2009

• Modified to follow the RISC OS 6 screen handling specs.
• Fixed flashing text (RISC OS doesn't restore the correct driver screen bank when switching output back from sprite to screen).
• Broke construction of screen translation maps in small chunks to avoid tempory screen freezings.
• Added Ctrl+(Shift+F12) to control minimal effect duration.
• Fixed bug in 'Blast' flame causing crashes.
• New 'Pixel doubling' option, for use in larger screen modes.
• New 'DownSpiral' translation.

Version 1.06, 26 March 2003

• Changes to VSync synchronisation and buffer swapping.
• Changed determination of allocated screen memory for Iyonix.